Zig 0.17.0-dev (Split by item)

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syscall3

x86_64.syscall3

pub fn syscall3(
    number: SYS,
    arg1: syscall_arg_t,
    arg2: syscall_arg_t,
    arg3: syscall_arg_t,
) u64

File

lib/std/os/linux/x86_64.zig:40

Code

pub fn syscall3(
    number: SYS,
    arg1: syscall_arg_t,
    arg2: syscall_arg_t,
    arg3: syscall_arg_t,
) u64 {
    return asm volatile ("syscall"
        : [ret] "={rax}" (-> u64),
        : [number] "{rax}" (@backingInt(number)),
          [arg1] "{rdi}" (arg1),
          [arg2] "{rsi}" (arg2),
          [arg3] "{rdx}" (arg3),
        : .{ .rcx = true, .r11 = true, .memory = true });
}